55 lines
3.0 KiB
C++
55 lines
3.0 KiB
C++
//===============================================================================
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// Copyright (c) 2007-2016 Advanced Micro Devices, Inc. All rights reserved.
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// Copyright (c) 2004-2006 ATI Technologies Inc.
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//===============================================================================
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files(the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions :
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//////////////////////////////////////////////////////////////////////////////
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#ifndef _CODEC_ATC_H_INCLUDED_
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#define _CODEC_ATC_H_INCLUDED_
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#include "codec_block_4x4.h"
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#define ATC_OFFSET_ALPHA 0
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#define ATC_OFFSET_RGB 2
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class CCodec_ATC : public CCodec_Block_4x4 {
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public:
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CCodec_ATC(CodecType codecType);
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virtual ~CCodec_ATC();
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protected:
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CodecError CompressRGBBlock(CMP_BYTE rgbBlock[BLOCK_SIZE_4X4X4], CMP_DWORD compressedBlock[2]);
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CodecError CompressRGBABlock_ExplicitAlpha(CMP_BYTE rgbaBlock[BLOCK_SIZE_4X4X4], CMP_DWORD compressedBlock[4]);
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CodecError CompressRGBABlock_InterpolatedAlpha(CMP_BYTE rgbaBlock[BLOCK_SIZE_4X4X4], CMP_DWORD compressedBlock[4]);
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CodecError CompressExplicitAlphaBlock(CMP_BYTE alphaBlock[BLOCK_SIZE_4X4], CMP_DWORD compressedBlock[2]);
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CodecError CompressInterpolatedAlphaBlock(CMP_BYTE alphaBlock[BLOCK_SIZE_4X4], CMP_DWORD compressedBlock[2]);
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void DecompressRGBBlock(CMP_BYTE rgbBlock[BLOCK_SIZE_4X4X4], CMP_DWORD compressedBlock[2]);
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void DecompressRGBABlock_ExplicitAlpha(CMP_BYTE rgbaBlock[BLOCK_SIZE_4X4X4], CMP_DWORD compressedBlock[4]);
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void DecompressRGBABlock_InterpolatedAlpha(CMP_BYTE rgbaBlock[BLOCK_SIZE_4X4X4], CMP_DWORD compressedBlock[4]);
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void DecompressExplicitAlphaBlock(CMP_BYTE alphaBlock[BLOCK_SIZE_4X4], CMP_DWORD compressedBlock[2]);
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void DecompressInterpolatedAlphaBlock(CMP_BYTE alphaBlock[BLOCK_SIZE_4X4], CMP_DWORD compressedBlock[2]);
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void EncodeAlphaBlock(CMP_DWORD compressedBlock[2], CMP_BYTE nEndpoints[2], CMP_BYTE nIndices[BLOCK_SIZE_4X4]);
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void GetCompressedAlphaRamp(CMP_BYTE alpha[8], CMP_DWORD compressedBlock[2]);
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};
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#endif // !defined(_CODEC_ATC_H_INCLUDED_)
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